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MMA8653FCR1

3 轴 10 位数字 MEMS 加速计，+/-2g/4g/8g，I2C，7uA 低功耗，DFN-10 (2x2mm)，-40~85C，已淘汰

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制造商零件：

MMA8653FCR1

包装：

DFN-10（2 x 2 x 1.0 毫米），外壳 2162

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说明

恩智浦半导体的 MMA8653FCR1 是一款三轴 10 位数字 MEMS 加速计，采用紧凑型 DFN-10（2x2x1mm）封装。它具有正负 2g、正负 4g 和正负 8g 的动态可选满量程范围，灵敏度为 1 mg/LSB，低噪声为 150 micro-g per root-Hz。该器件通过 I2C（7 位地址 0x1D）进行通信，支持标准模式（100 kHz）和快速模式（400 kHz），输出数据速率为 1.56 Hz 至 800 Hz。嵌入式功能包括可配置的运动检测、自由落体检测和纵向/横向方向检测，所有这些功能均可通过两个可编程中断引脚（INT1、INT2）访问。自动唤醒/休眠功能可根据活动情况自动改变 ODR，从而在低功耗模式下实现超低的 7 微安电流消耗。电源电压：1.95V 至 3.6V；I2C 接口电压：1.62V 至 3.6V。工作温度：-40C 至 85C。状态：已停产（恩智浦建议用 FXLS8974CF 代替）。RoHS3、EAR99。.

恩智浦半导体的 MMA8653FCR1 是一款智能、低功耗、三轴电容式 MEMS 加速计，具有 10 位分辨率，采用超紧凑 DFN-10 封装，尺寸仅为 2 x 2 x 1.0 mm。该器件专为需要运动、倾斜和方向检测的消费电子和工业传感应用而设计，功耗和电路板占用空间极小。.

该加速度计具有三个动态可选的满量程范围：正负 2g（灵敏度 256 LSB/g）、正负 4g（128 LSB/g）和正负 8g（64 LSB/g），灵敏度均为 1 mg/LSB，噪声低至 150 micro-g per root-Hz，与分辨率无关。10 位 ADC 可通过 I2C 串行接口以标准（100 kHz）或快速模式（400 kHz）数据速率进行数字输出，输出数据速率可编程为 1.56 Hz 至 800 Hz。.

该器件具有可卸载主机处理器的嵌入式智能功能：运动/自由落体检测、具有 15 度滞后的纵向/横向方向检测以及可配置的自动唤醒/休眠状态转换。两个可编程中断引脚（INT1、INT2）可配置为嵌入式功能的任意组合，使加速度计能够监控惯性事件，同时在不活动期间保持低功耗模式。自动唤醒功能可在检测到运动时自动增加 ODR，并在非活动期间降低 ODR，从而在低功耗模式下实现 7 微安的超低电流消耗。.

该设备采用独立电源域运行：模拟/传感器部分采用 VDD（1.95V 至 3.6V），数字 I2C 接口采用 VDDIO（1.62V 至 3.6V），无需电平转换器即可直接连接 1.8V、2.5V 或 3.3V 微控制器。BYP 引脚用于连接内部稳压器旁路电容器。I2C 从站地址为 0x1D（写：0x3A，读：0x3B）。.

后缀 R1 表示带卷包装，每卷 3000 件。注：恩智浦已停产该产品（生命周期结束），推荐使用 FXLS8974CF 作为替代品。该器件符合 RoHS3 规范、MSL 1 级（无限制），并被归类为 EAR99。.

MMA8653FCR1 可用作电容式 MEMS 加速计，通过传感器、信号调节和模数转换管道将机械加速度转换为数字输出。.

电容式传感元件：核心传感机制采用微机电系统（MEMS）结构，由硅弹簧悬挂在固定电极上方的验证质量块组成。当沿任一轴施加加速度时，验证质量会按比例偏转，从而改变验证质量和固定电极之间的电容。该装置包含三个独立的电容半桥，每个轴（X、Y、Z 轴）一个，每个半桥产生的差分电容变化与施加的加速度成正比。.

信号调节：电容变化通过采用开关电容结构的电容-电压（C-V）转换器转换为电压信号。电压信号随后通过可编程增益放大器 (PGA)，该放大器可设定满量程范围：正负 2g、正负 4g 或正负 8g。增益越高，灵敏度越高，但可测量的最大加速度范围就越小。.

模数转换：条件模拟信号由 10 位逐次逼近寄存器 (SAR) 模数转换器进行数字化处理。模数转换器以过量采样率工作，数字输出按用户选择的输出数据率（ODR）进行抽取，范围为 1.56 Hz 至 800 Hz。10 位分辨率提供 1,024 个离散电平，在正负 2g 范围内产生 1 mg/LSB 灵敏度。.

数字信号处理：数字化加速度数据通过数字滤波器链，其中包括低通滤波和高通滤波选项。高通滤波器可去除直流重力分量，从而在没有静态 1g 重力偏移的情况下检测动态加速度事件（运动、冲击）。滤波后的数据存储在输出寄存器中，可通过 I2C 接口访问。.

嵌入式功能：集成状态机通过将加速度大小与可编程阈值进行比较来实现运动检测，通过检查全轴大小是否低于阈值来实现自由落体检测，以及通过分析重力矢量相对于设备轴的角度来实现方向检测。这些功能无需主机处理器干预即可自主运行，只有在满足配置条件时才会产生中断。.

自动唤醒/休眠：电源管理状态机监控加速度计数据，并自动在活动（高 ODR）和睡眠（低 ODR）模式之间转换。当检测到运动超过可配置的阈值时，设备会唤醒到较高的 ODR 以进行精确测量。在不活动期间，器件以较低的 ODR 休眠，将电流消耗降至最低 7 微安，同时仍监控唤醒事件。.

针脚 名称 类型 说明
1 VDD 电源 设备电源（1.95V 至 3.6V）；尽可能在引脚附近连接 0.1uF 和 1uF 去耦电容器；为模拟/传感器部分供电
2 SCL 输入 I2C 串行时钟；漏极开路，需要外部上拉电阻连接至 VDDIO；支持 100 kHz 标准模式和 400 kHz 快速模式；不耐受 VDDIO+0.3V 以上电压
3 INT1 输出 可配置中断输出 1；可映射到任何嵌入式功能组合（运动、自由落体、定向、数据就绪、自动唤醒/休眠）；活动状态极性可编程
4 BYP 输出 内部稳压器输出旁路；从 BYP 到 GND 连接一个 0.1uF 电容器，以确保内部稳压器的稳定性；不要连接外部负载
5 INT2 输出 可配置中断输出 2；独立于 INT1；具有相同的映射功能；可在不同引脚上监控两个事件类别
6 接地 电源 接地；连接至系统地平面
7 接地 电源 接地；连接至系统地平面
8 VDDIO 电源 数字接口电源（1.62V 至 3.6V）；设置 I2C 和中断引脚电压电平；混合电压系统可与 VDD 不同；连接 0.1uF 去耦电容器
9 接地 电源 接地；连接至系统地平面
10 SDA 输入/输出 I2C 串行数据；开漏双向，需要外部上拉电阻至 VDDIO；数据在 SCL 上升沿锁存；不耐受 VDDIO+0.3V 以上电压
应用 说明
屏幕方向 纵向/横向检测，滞后 15 度；在智能手机和平板电脑上自动旋转显示屏；嵌入式方向引擎消除了主机处理开销
自由落体保护 检测自由落体状态（全轴幅度低于阈值）；用于硬盘磁头停放、笔记本电脑跌落保护和无人机碰撞检测；可配置阈值和时序
可穿戴运动传感 7uA 低功耗模式可在智能手表和健身追踪器中实现持续运动监测；自动唤醒/休眠可延长电池寿命；计步和活动识别
工业振动监测 800 Hz 最大 ODR 可捕捉振动信号；高通滤波器可去除重力直流偏移，以进行纯动态加速度分析；预测性维护应用
物联网惯性唤醒 自动唤醒功能可在运动检测时产生中断，睡眠时的电流为 7uA；适用于只需在移动或受到干扰时报告的电池供电型物联网传感器
模型 制造商 兼容性 主要区别
FXLS8974CF 恩智浦 建议更换 12 位分辨率（相对于 10 位）；相同的 I2C 接口；不同的寄存器映射；需要软件迁移；NXP 官方推荐的替代品
MMA8451QR1 恩智浦 功能相似 14 位分辨率；更大的 QFN-16 封装（3x3mm）；相同的 I2C 接口，地址为 0x1D；更多的嵌入式功能；更高的功耗
LIS2DH12TR ST 功能相似 12 位分辨率；DFN-12 (2x2mm)；SPI/I2C 接口；相似的功率曲线；不同的寄存器映射；意法半导体产品线
ADXL362BCCZ ADI 功能相似 12 位；仅 SPI 接口；超低 270nA 运动激活唤醒；更大的 LGA-16（3.25×3.1mm）；不同的应用重点
BMA456 博世 功能相似 16 位；LGA-12（2x2mm）；I2C/SPI；内置步进计数器和活动识别；不同的功能集
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质量保证

Quality is the core foundation of our long-term global cooperation. With over 20 years of experience in the electronic component industry, Materialparts has built a strict and standardized quality management system covering component sourcing, incoming inspection, full-batch testing, packaging and delivery. We are committed to delivering 100% genuine, high-reliability electronic components for industrial control, automotive electronics, consumer electronics and medical device industries, and fully safeguarding your production and R&D projects.

1. Authorized & Genuine Sourcing Promise

All of our electronic components are procured from official authorized distributors and original manufacturers. We strictly reject counterfeits, refurbished parts, disassembled components and gray-market goods. Every product is guaranteed to be brand-new original parts and fully consistent with the original technical parameters. For branded products such as NXP IC series, we maintain complete supply channel documents to realize full product traceability.

2. Strict Full-batch Quality Inspection

We implement 100% full-batch quality control for all goods before shipment. Our professional QC team conducts multi-dimensional tests including appearance inspection, electrical parameter testing, performance verification and packaging check. Each batch of components is attached with complete inspection reports and batch records. We stick to zero-tolerance standards for defective products to ensure every piece of component meets industrial application requirements.

3. Industry Standard Compliance

Our products comply with a variety of international industry quality standards to adapt to high-standard application scenarios:
  • 汽车电子: All automotive-grade components pass AEC-Q series certification, featuring excellent stability and durability to adapt to complex vehicle operating environments.
  • 医疗设备: High-reliability components meet medical industry safety and compliance regulations, ensuring stable operation for medical equipment.
  • Industrial Control & Consumer Electronics: Products conform to universal international electronic industry standards, suitable for long-term continuous operation of various equipment.

4. Professional Reliability Control

For static-sensitive, moisture-sensitive and precision components such as ICs, PCBs, sensors and connectors, we carry out reliability screening in advance. Combined with standardized ESD anti-static packaging and vacuum moisture-proof packaging, we avoid component damage caused by static electricity, dampness or collision during storage and transportation, and retain the original performance of products.

5. Traceability Management System

We establish a complete product traceability system. Each batch of goods corresponds to independent batch number, sourcing record, inspection record and delivery record. Customers can query the whole lifecycle information of components at any time. This system effectively solves quality risks and facilitates after-sales handling and production quality control for your company.

6. After-sales Quality Guarantee

If any product is confirmed to have non-conformity quality problems due to our reasons after receipt, we provide free return, exchange and supplementary delivery services. Our professional quality team will also conduct root cause analysis to optimize our quality control process. We respond to quality feedback within 24 hours to resolve your worries efficiently.

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If you have inquiries about our quality standards, inspection procedures or product certification documents, please feel free to contact us:

 

Email: info@materialparts.com
Tel / WhatsApp: +86 13760382860
Address: Room 2919, Guoli Building, Huaqiang North, Futian District, Shenzhen, Guangdong, China

 

发货与付款

Materialparts is a professional global supplier of electronic components with over 20 years of industry experience. We provide one-stop supply of passive components, integrated circuits, as well as parts for industrial control, automotive electronics, consumer electronics and medical devices. Below are the unified shipping and payment policies applicable to all orders, samples and bulk purchases worldwide.

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We offer a variety of secure and convenient payment methods to meet diverse business cooperation needs. Details are as follows:
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    US Dollar (USD) is the default settlement currency. RMB is available for domestic customers.

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    Within 24 hours after dispatch, we will send the tracking number, commercial invoice, packing list and other documents to your email or communication account. You may check the shipment status online in real time.

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    We support flexible minimum order quantities for samples, small-batch and large-batch orders. All sample orders shall comply with the above shipping and payment policies.

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    All electronic components are packed with professional anti-static and shockproof materials. Original factory packaging is available for branded chips and integrated circuits.

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Email: info@materialparts.com

Tel / WhatsApp: +86 13760382860

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Contact Information

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